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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992260552

1008Image EncodingUSTU PhysTech Cup 20003787329

1016Cube on the WalkUSU Local Contest. 19991643754

1022Genealogical TreeAutumn School Contest 20009148136

1033LabyrinthUral Championship 19995387230

1035Cross-stitchUral Championship 19999781254

1040Airline CompanyUSU Championship 20001248978

1045Funny GameUSU Local Contest. March 20002335519

1056Computer NetNEERC 2000 Central Subregional2320521

1065FrontierNEERC 20008481340

1069Prufer CodeUSU Personal Contest 20012113527

1072RoutingUSU Personal Contest 20012340476

1076Trash1714645

1077Travelling Tours987406

1080Map ColoringWinter Mathematical Festival Varna 20014309256

1085MeetingSpring School Contest 20011907572

1096Get the Right Route Plate!USU Local Contest. March 20011558665

1099Work Scheduling7551234

1106Two TeamsTetrahedron Team Online Contest May 2001494381

1109ConferenceBulgarian Online Contest September 20011579254

1119MetroAutumn School Contest 2001486283

1124MosaicUSU Championship 20011296310

1128Partition into GroupsUSU Championship 2001959418

1129Door PaintingUSU Championship 2001905442

1136ParliamentNEERC 2001 Central Subregional3953102

1137Bus RoutesNEERC 2001 Central Subregional1301309

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 2001969414

1156Two RoundsUral Championship 2001. Round 21181341

1160NetworkNEERC 2001 Northern Subregional1252327

1162Currency ExchangeNEERC 2001 Northern Subregional859467

1176HyperchannelsUSU Personal Contest 20021084372

1182Team Them Up!NEERC 2001795506

1198Jobbery716593

1199Mouse953601

1205By the Underground or by Foot?USU Local Contest. March 20021701238

1208Legendary Teams ContestUSU Local Contest. March 20022098193

1210Kind SpiritsAutumn School Contest 20022664154

1218Episode N-th: The Jedi TournamentUSU Championship 20021216336

1227Rally ChampionshipNEERC 2002 Central Subregional1298315

1237Evacuation PlanNEERC 2002448904

1242WerewolfUSU Personal Contest 20031840224

1250Sea BurialUSU Local Contest. March 2003576709

1254Die HardUSU Local Contest. March 2003633646

1270UnicubeUSU Championship 20031702331

1271Sailing DirectionsUSU Championship 2003834513

1272Non-Yekaterinburg SubwayUSU Championship 20032536165

1277Cops and ThievesNEERC 2003 Central Subregional503819

1280Topological SortingNEERC 2003 Central Subregional2602161

1281River BasinNEERC 2003 Central Subregional3041337

1291Gear-wheelsSpring School Contest 20041014412

1301Cube in LabyrinthUral Championship 1998579717

1314Chase in SubwayUral Championship 2004. Round 1802521

1315MDPAR and MIIARUral Championship 2004. Round 12021995

1320Graph DecompositionUral Championship 2004. Round 21293325

1323ClassmatesUral Championship 2004. Round 2514807

1325DirtUral Championship 2004. Round 2711587

1329Galactic HistoryAutumn School Contest 2004888474

1337BureaucracyAutumn School Contest 20042581590

1338AutomobilesUSU Championship 20042401712

1339BabiesUSU Championship 2004436960

1358CablesSpring School Contest 2005719588

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21842211

1367Top SecretUral Championship 2005. Round 21303064

1379Cups TransportationUral Championship 2005. Round 1541781

1392Dreaming of Stars549770

1399Economical Director2610499

1400Cellular CharactersAutumn School Contest 2005781544

1416ConfidentialUSU Championship 2005978434

1419Maps of the Island WorldsUSU Championship 20052991388

1421Credit OperationsTimus Top Coders: First Challenge729563

1434Buses in VasyukiUSU Personal Contest 20063771071

1441From the History of Gringotts BankUral Championship 20062951347

1447Portkey NetworkUral Championship 20063661093

1449Credit Operations 2Timus Top Coders: Second Challenge2821396

1450Russian PipelinesTimus Top Coders: Second Challenge1264320

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest605563

1487Chinese FootballUSU Championship 20062971264

1500Pass LicensesNEERC 2006 Eastern Subregional573661

1505Oil TransferNEERC 2006 Eastern Subregional1262835

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2631365

1533Fat HobbitsUSU Personal Contest 20073111156

1544Classmates 3Ural Championship 20073001180

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2021645

1569Networking the “Iset”USU Championship 2007346976

1575Yekaterinburg Subway 2Autumn School Contest 2007358942

1580Dean's DebtsAutumn School Contest 2007373905

1610CactusesUral Championship 20081721805

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest903140

1630TalismanUSU Championship 2008334896

1641DutiesAutumn School Contest 2008676447

1643Attack of the Dark FortressAutumn School Contest 2008664455

1651Shortest SubchainNEERC 2008 Eastern Subregional866350

1652Banking CrisisNEERC 2008 Eastern Subregional1192374

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1481907

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1741626

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest853082

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2651065

1709Penguin-AviaUral Championship 20091839157

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional515518

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest880294

1770The Party of Ural ChampionsUral Championship 20101581516

1806Mobile TelegraphsNEERC 2010 Eastern Subregional393585

1833Hopes of RowingUral Championship 2011842331

1837Isenbaev's NumberUral Championship 2011351162

1847ZamkadyePetrozavodsk Summer 2010. USU Contest463687

1882Old NokiaUral Regional School Programming Contest 2011742422

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional515386

1905Travel in TimeUral Championship 2012184889

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional215764

1930Ivan's CarUral Regional School Programming Contest 2012938181

1934Black SpotUral FU Championship 2012553302

1966Cycling RoadsUral FU Personal Contest 2013243598

1980Road to InvestorUral Championship 2013270528

1982Electrification PlanUral FU Championship 20131078130

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional174611

2017Best of a bad lotNEERC 2014 Eastern Subregional114907

2030Awesome Backup SystemUral Regional School Programming Contest 2014267402

2034CaravansUral Regional School Programming Contest 2014405268

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest551688

2055Urban GeographyUral Championship 2015821048

2093All Roads Lead to SnowdriftUral FU Personal Contest 201460903